
You’ve probably heard the old saying: “A dog’s mouth is cleaner than a human’s.” It’s a phrase often tossed around, usually to justify a slobbery kiss from a furry friend. But is there any truth to it? The short answer: not exactly. While both humans and dogs carry bacteria in their mouths, they’re not directly comparable, and each has its own unique microbial environment.
Let’s break down the myth and explore what science has to say about canine and human oral hygiene.
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